Soil science simplified / 
Neal S. Eash ... [et al.] ; illustrated by Mary C. Bratz. 
 - 5th ed. 
 - Ames, Iowa :  Blackwell Pub.,  c2008. 
 - viii, 246 p. :  ill., maps ;  24 cm. 
<br/><br/> Fakulti Agro-Industri dan Sumber Asli.  Includes index.  Prev. eds. catalogued under Milo I. Harpstead. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780813818238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.